Lillian Gish as Princess Alexandra

Rod La Rocque as Prince Albert

Conrad Nagel as Dr. Nicholas Haller

Marie Dressler as Princess Beatrice

O. P. Heggie as Father Benedict

Albert Conti as Count Lutzen

Edgar Norton as Colonel Wunderlich

Billie Bennett as Princess Sympharosa

Philippe De Lacy as Prince Georg

Byron Sage as Prince Arsene

Barbara Leonard as Mitzi